sdk/samples/WPFSamples/BindValidation/visualbasic/window1.xaml

   1 <Window
   2   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
   3   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
   4   xmlns:c="clr-namespace:BindValidation_VB"
   5   x:Class="Window1"
   6   Title="Binding Validation Sample"
   7   SizeToContent="WidthAndHeight"
   8   ResizeMode="NoResize">
   9
  10     <Window.Resources>
  11       <c:MyDataSource x:Key="ods"/>
  12
  13       <ControlTemplate x:Key="validationTemplate">
  14         <DockPanel>
  15           <TextBlock Foreground="Red" FontSize="20">!</TextBlock>
  16           <AdornedElementPlaceholder/>
  17         </DockPanel>
  18       </ControlTemplate>
  19
  20       <Style x:Key="textBoxInError" TargetType="{x:Type TextBox}">
  21         <Style.Triggers>
  22           <Trigger Property="Validation.HasError" Value="true">
  23             <Setter Property="ToolTip"
  24               Value="{Binding RelativeSource={x:Static RelativeSource.Self},
  25                               Path=(Validation.Errors)[0].ErrorContent}"/>
  26           </Trigger>
  27         </Style.Triggers>
  28       </Style>
  29     </Window.Resources>
  30
  31   <Grid>
  32     <Grid.ColumnDefinitions>
  33       <ColumnDefinition />
  34       <ColumnDefinition />
  35       <ColumnDefinition />
  36     </Grid.ColumnDefinitions>
  37     <Grid.RowDefinitions>
  38       <RowDefinition />
  39       <RowDefinition />
  40       <RowDefinition />
  41       <RowDefinition/>
  42       <RowDefinition />
  43     </Grid.RowDefinitions>
  44
  45     <TextBlock
  46       Grid.Row="0" Grid.ColumnSpan="2"
  47       FontSize="20" Margin="8"
  48       Text="Enter a number between 21-130 or there will be a validation error:"/>
  49
  50     <Label Grid.Column="0" Grid.Row="1" FontSize="15" Margin="2"
  51            Target="{Binding ElementName=textBox1}">TextBox with _custom ErrorTemplate and ToolTip:</Label>
  52     <TextBox Name="textBox1" Width="50" FontSize="15"
  53              Validation.ErrorTemplate="{StaticResource validationTemplate}"
  54              Style="{StaticResource textBoxInError}"
  55              Grid.Row="1" Grid.Column="1" Margin="2">
  56       <TextBox.Text>
  57         <Binding Path="Age" Source="{StaticResource ods}"
  58                  UpdateSourceTrigger="PropertyChanged" >
  59           <Binding.ValidationRules>
  60             <c:AgeRangeRule Min="21" Max="130"/>
  61           </Binding.ValidationRules>
  62         </Binding>
  63       </TextBox.Text>
  64     </TextBox>
  65
  66     <Label Grid.Row="2" Grid.Column="0" FontSize="15" Margin="2"
  67        Target="{Binding ElementName=textBox2}">TextBox with _default ErrorTemplate:</Label>
  68     <TextBox Name="textBox2" Width="50" FontSize="15"
  69              Grid.Row="2" Grid.Column="1" Margin="2">
  70       <TextBox.Text>
  71         <Binding Path="Age2" Source="{StaticResource ods}"
  72                  UpdateSourceTrigger="PropertyChanged" >
  73           <Binding.ValidationRules>
  74             <c:AgeRangeRule Min="21" Max="130"/>
  75           </Binding.ValidationRules>
  76         </Binding>
  77       </TextBox.Text>
  78     </TextBox>
  79
  80     <TextBlock Grid.Row="3" Grid.ColumnSpan="3" FontSize="20" Margin="8"
  81                Text="The following TextBox uses the ExceptionValidationRule and UpdateSourceExceptionFilter handler:"/>
  82     <Label Grid.Row="4" Grid.Column="0" FontSize="15" Margin="2"
  83    Target="{Binding ElementName=textBox3}">TextBox with UpdateSourceExceptionFilter _handler:</Label>
  84     <TextBox Name="textBox3" Width="50" FontSize="15"
  85              Grid.Row="4" Grid.Column="1" Margin="2"
  86              Validation.ErrorTemplate="{StaticResource validationTemplate}"
  87              Style="{StaticResource textBoxInError}">
  88       <TextBox.Text>
  89         <Binding Path="Age3" Source="{StaticResource ods}"
  90                  UpdateSourceTrigger="PropertyChanged">
  91           <Binding.ValidationRules>
  92             <ExceptionValidationRule/>
  93           </Binding.ValidationRules>
  94         </Binding>
  95       </TextBox.Text>
  96     </TextBox>
  97     <CheckBox Name="cb" FontSize="15" HorizontalAlignment="Left"
  98          Grid.Row="4" Grid.Column="2" Margin="5"
  99          Checked="UseCustomHandler" Unchecked="DisableCustomHandler">Enable Custom Handler (see ToolTip)</CheckBox>
 100   </Grid>
 101 </Window>
 102